/*
 * Licensed to Crate under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Crate licenses this file
 * to you under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.  You may
 * obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.  See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial
 * agreement.
 */

package io.crate.planner;

import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;

import java.util.Locale;

public final class NodeSelection {

    private NodeSelection() {
    }

    public static String resolveNodeId(DiscoveryNodes nodes, String nodeIdOrName) {
        if (nodes.nodeExists(nodeIdOrName)) {
            return nodeIdOrName;
        }
        for (DiscoveryNode node : nodes.get()) {
            if (nodeIdOrName.equalsIgnoreCase(node.getName())) {
                return node.getId();
            }
        }
        throw new IllegalArgumentException(
            String.format(Locale.ENGLISH, "Node: \'%s\' could not be found", nodeIdOrName)
        );
    }
}
